181480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 441000

約数和(自身を除く): 259520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 349, 520, 698, 1396, 1745, 2792, 3490, 4537, 6980, 9074, 13960, 18148, 22685, 36296, 45370, 90740, 181480]

約数ペア:

[(1, 181480), (2, 90740), (4, 45370), (5, 36296), (8, 22685), (10, 18148), (13, 13960), (20, 9074), (26, 6980), (40, 4537), (52, 3490), (65, 2792), (104, 1745), (130, 1396), (260, 698), (349, 520)]